Hydrocarbons · Question 9

Given below are two statements for the following reaction sequence. [figure] In the light of the above statements, choose the correct answer from the options given below :

1. Statement I is true but Statement II is false
2. Both Statement I and Statement II are true
3. Statement I is false but Statement II is true
4. Both Statement I and Statement II are false

Ph-CH=CH2 [HBr](PhCOO)2 Product Consider the above reaction Identify the correct statements. Choose the correct answer from the options given below :

1. A & E Only
2. A, B & D Only
3. A, C & E Only
4. C, D & E Only

The reactions which produce alcohol as the product are : Choose the correct answer from the options given below :

1. B, D and E Only
2. A and D Only
3. A, C and E Only
4. C and D Only

Consider the following compounds : [figure] Arrange these compounds in the increasing order of reactivity with nitrating mixture.

1. c < b < a
2. b < c < a
3. c < a < b
4. b < a < c

But-2-yne and hydrogen (one mole each) are separately treated with (i) Pd/C and (ii) Na/ liq. NH3 to give the products X and Y respectively. [figure] Identify the incorrect statements. Choose the correct answer from the options given below :

1. B and D Only
2. A and C Only
3. A and B Only
4. B and C Only

[figure] Identify (P)

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

The cycloalkene (X) on bromination consumes one mole of bromine per mole of (X) and gives the product (Y) in which C : Br ratio is 3:1. The percentage of bromine in the product (Y) is %. (Nearest integer) (Given : molar mass in g mol-1 H : 1, C : 12, O : 16, Br : 80)

Consider the following reaction : [figure] The product Y formed is :

1. 2-methylhex-3-yne
2. 5-methylhex-2-yne
3. Isopropylbut-1-yne
4. 2-methylhex-2-yne

The dibromo compound [P] (molecular formula: C9H10Br2) when heated with excess sodamide followed by treatment with dilute HCl gives [Q]. On warming [Q] with mercuric sulphate and dilute sulphuric acid yields [R] which gives positive Iodoform test but negative Tollens' test. The compound [P] is :

1. [figure]
2. [figure]
3. [figure]
4. [figure]