Question

Answer the above


Assertion – Reason Type Questions

The questions given below consists of an assertion and the reason. Use the

following key to choose the appropriate answers.

a. If both assertion and reason are CORRECT and reason is the CORRECT

explanation of the Assertion.

b. If both assertion and reason are CORRECT, but reason is NOT the

CORRECT explanation of the assertion.

c. If assertion is CORRECT but reason INCORRECT.

d. If assertion is INCORRECT but reason is CORRECT.

e. If both assertion and reason are INCORRECT.

20. a. Assertion (Ꭺ)- Ureter connects the kidneys to the urinary bladder.

Reason (R)- Ureter filters the blood and collects wastes in kidneys.

b. Assertion (Ꭺ)-The rhythmic beating of various chambers of the heart

maintain circulation of blood.

Reason (R)- Pulse rate per minute indicates the rate of heartbeat.


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Answer 1

Explanation:

20) both a and r are correct r is the correct explanation of a

21).a is correct r is in correct

Answer 2

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