At the sea level, the dry air mass percentage composition is given as nitrogen gas: 70.0 , oxygen gas: 27.0 and argon gas: 3.0 . If total pressure is 1.15 atm , then calculate the ratio of following respectively: (i) partial pressure of nitrogen gas to partial pressure of oxygen gas (ii) partial pressure of oxygen gas to partial pressure of argon gas (Given: Molar mass of N, O and Ar are 14, 16 and $40\mathrm{g}{\mathrm{mol}}^{-1}$ respectively.)

Total number of sigma (σ) _______ and pi(π) ______ bonds respectively present in hex-1-en-4-yne are:

Given below are two statements : Statement I : One mole of propyne reacts with excess of sodium to liberate half a mole of ${\mathrm{H}}_2$ gas. Statement II : Four g of propyne reacts with ${\mathrm{NaNH}}_2$ to liberate ${\mathrm{NH}}_3$ gas which occupies 224 mL at STP. In the light of the above statements, choose the most appropriate answer from the options given below :

When sec-butylcyclohexane reacts with bromine in the presence of sunlight, the major product is :

The alkane from below having two secondary hydrogens is :

The product B formed in the following reaction sequence is:

Identify product [A], [B] and [C] in the following reaction sequence. ${\mathrm{CH}}_3-\mathrm{C}\equiv \mathrm{CH}\underset{{\mathrm{H}}_2}{\overset{\mathrm{Pd}/\mathrm{C}}{\to }}[\mathrm{A}]\underset{\text{ (ii) }\mathrm{Zn},{\mathrm{H}}_2\mathrm{O}}{\overset{\text{ (i) }{\mathrm{O}}_3}{\to }}[\mathrm{B}]+[\mathrm{C}]$

Match the List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} List - I Name reaction List - II Product obtainable (A) Swarts reaction (I) Ethyl benzene (B) Sandmeyer's reaction (II) Ethyl iodide (C) Wurtz Fittig reaction (III) Cyanobenzene (D) Finkelstein reaction (IV) Ethyl fluoride Choose the correct answer from the options given below:

Match List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} List - I (Isomers of ${\mathrm{C}}_{10}{\mathrm{H}}_{14}$ ) List - II (Ozonolysis product) (A) (I) (B) (II) (C) (III) (D) (IV) Choose the correct answer from the options given below :

The product $(\mathrm{A})$ formed in the following reaction sequence is

The reactions which cannot be applied to prepare an alkene by elimination, are Choose the correct answer from the options given below:

Given below are two statements: Statement I : Ozonolysis followed by treatment with $\mathrm{Zn},{\mathrm{H}}_2\mathrm{O}$ of cis-2-butene gives ethanal. Statement II : The product obtained by ozonolysis followed by treatment with $\mathrm{Zn},{\mathrm{H}}_2\mathrm{O}$ of 3, 6-dimethyloct-4-ene has no chiral carbon atom. In the light of the above statements, choose the correct answer from the options given below

Given below are two statements : Statement (I) : Neopentane forms only one monosubstituted derivative. Statement (II) : Melting point of neopentane is higher than n-pentane. In the light of the above statements, choose the most appropriate answer from the options given below :

Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-baqh{text-align:center;vertical-align:top} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} List - I (Reaction) List - II (Name of reaction) (A) (I) Lucas reaction (B) $${\mathrm{ArN}}_2^{+}{\mathrm{X}}^{-}\underset{\mathrm{HCl}}{\overset{\mathrm{Cu}}{\to }}\mathrm{ArCl}+{\mathrm{N}}_2\uparrow +\mathrm{CuX}$$ (II) Finkelstein reaction (C) $${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Br}+\mathrm{NaI}\underset{\text{ Acetone }}{\overset{\text{ Dry }}{\to }}{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I}+\mathrm{NaBr}$$ (III) Fittig reaction (D) $${\mathrm{CH}}_3\mathrm{C}(\mathrm{OH})\left({\mathrm{CH}}_3\right){\mathrm{CH}}_3\underset{{\mathrm{ZnCl}}_2}{\overset{\mathrm{HCl}}{\to }}{\mathrm{CH}}_3\mathrm{C}(\mathrm{Cl})\left({\mathrm{CH}}_3\right){\mathrm{CH}}_3$$ (IV) Gatterman reaction $$\text{ Choose the correct answer from the options given below : }$$

Predict the major product of the following reaction sequence:-

Identify the homoleptic complexes with odd number of $d$ electrons in the central metal : (A) ${\left[{\mathrm{FeO}}_4\right]}^{2-}$ (B) ${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{3-}$ (C) ${\left[\mathrm{Fe}(\mathrm{CN}{)}_5\mathrm{NO}\right]}^{2-}$ (D) ${\left[{\mathrm{CoCl}}_4\right]}^{2-}$ (E) $\left[\mathrm{Co}{\left({\mathrm{H}}_2\mathrm{O}\right)}_3{\mathrm{F}}_3\right]$ Choose the correct answer from the options given below :

The calculated spin-only magnetic moments of $K_3[Fe(OH{)}_6]$ and $K_4[Fe(OH{)}_6]$ respectively are :

The correct increasing order of stability of the complexes based on ${\Delta }_0$ value is : I. $[\text{Mn}(\text{CN}{)}_6{]}^{3-}$ II. $[\text{Co}(\text{CN}{)}_6{]}^{4-}$ III. $[\text{Fe}(\text{CN}{)}_6{]}^{4-}$ IV. $[\text{Fe}(\text{CN}{)}_6{]}^{3-}$

Match List - I with List - II. List - I (Complex) List - II (Hybridisation & Magnetic characters) (A) [MnBr4]2- (I) d2sp3 & diamagnetic (B) [FeF6]3- (II) sp3d2 & paramagnetic (C) [Co(C2O4)3]3- (III) sp3 & diamagnetic (D) [Ni(CO)4] (IV) sp3 & paramagnetic Choose the correct answer from the options given below :