Question

Read the statements of assertion and reason and choose the correct option given below:
a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of
assertion (A).
b) Both assertion (A) and reason (R) are true and reason (R) is not the correct explanation of
assertion (A).
c) Assertion (A) is true but reason(R) is false.
d) Assertion (A) is false but reason(R) is true.
Assertion: Bromine ion is a monovalent anion.
Reason: Bromine ion gains an electron to carry one negative charge.

Answer 1

Answer:

Correct option is

D

(A) is a correct statement but (R) is a wrong statement.

Vinyl halide CH

2

=CH−CI do not undergo SN reaction

This is due to formation of highly unstable carbocation (CH)

2

=

C

⊕

H; which cannot be delocalised by the π−electrons, also C−CI has double bond character be

Was this answer helpful?

upvote

0

downvote

Answer 2

Explanation:

Solution

verified

Verified by Toppr

Correct option is

A

If both assertion and reason are true and the

reason is the correct explanation of the assertion

As in planetary motions there is no external torque, thus L is conserved.

L=mvr=mr

2

w=constant

Thus r

1

2

w

1

=r

2

2

w

2

For r

1

>r

2

⟹w

1

<w

2

Hence both assertion and reason are true and the reason is the correct explanation of the assertion