1
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An alkyl halide $X\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Br}\right)$ undergoes nucleophilic substitution by $\mathrm{S}_{\mathrm{N}} 2$ reaction. The product of $X$ on reaction with $\mathrm{Mg} /$ dry ether followed by $\mathrm{D}_2 \mathrm{O}$ is

A

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 14 English Option 1

B

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 14 English Option 2

C

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 14 English Option 3

D

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Haloalkanes and Haloarenes Question 14 English Option 4

2
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) $\mathrm{p} K_a$ of phenol is 4.19 and that of benzoic acid is 10 .

Reason (R) Phenoxide ion is stabilised by non-equivalent resonance structures whereas benzoate ion by two equivalent resonance structures.

The correct option among the following is

A

$A$ and $R$ are true and $R$ is the correct explanation of $A$.

B

$A$ and $R$ are true, but $R$ is not the correct explanation for $A$.

C

$A$ is true but $R$ is false.

D

A is false but $R$ is true.

3
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following pairs reactant is correctly matched with reagent that would form benzaldehyde as product?

TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Aldehyde and Ketone Question 26 English 1TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Aldehyde and Ketone Question 26 English 2TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Aldehyde and Ketone Question 26 English 3TS EAMCET 2023 (Online) 13th May Evening Shift Chemistry - Aldehyde and Ketone Question 26 English 4

A

A and C only

B

C and D only

C

A and D only

D

B and C only

4
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An alkene $X$ with formula $\mathrm{C}_4 \mathrm{H}_8$ does not exhibit geometrical isomerism. In the conversion of $X$ to $Y$, the correct sequence of reagents $A$ and $B$ used are ( $Y$ gives iodoform test)

A

$\mathrm{BH}_3, \mathrm{H}_2 \mathrm{O}_2 / \mathrm{OH}^{-}, \mathrm{PCC}$

B

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}, \mathrm{ZnCl}_2 / \mathrm{HCl}$

C

$\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}, \mathrm{Cu} / 573 \mathrm{~K}$

D

$\mathrm{BH}_3, \mathrm{H}_2 \mathrm{O}_2 / \mathrm{OH}^{-}, \mathrm{Cu} / 573 \mathrm{~K}$

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