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Assertion : The melting point of ice dec...

Assertion : The melting point of ice decreases with increase of pressure
Reason : Ice contract on melting.

A

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

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false

D

If the assertion and reason both are false

Text Solution

Verified by Experts

The correct Answer is:
B
`P uarr`. Melting point `darr`
`0^@ " to " 40^@ C rarr` It is constant.
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These questions consist two statements each, printed as Assertion and reason, while answering these question you are required to choose any one of the following four responsis: (a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c ) If the assertion is true but reason is false. (d) If both the assertion and reason are false. Q. Assertion: The melting point of ice decreases with increase of pressure. Reson: ice contracts on melting.

Each question contains STATEMENT-1 (Assertion) and STATEMENT-2( Reason). Examine the statements carefully and mark the correct answer according to the instruction given below: STATEMENT-1: The melting point of ice decreases with increase of pressure. STATEMENT-2: Ice contracts on melting .

The melting of ice in water decreases with increase in pressure.

Assertion: The melting point of solid (except ice) increases with increase in pressure. Reason: An increasion in pressure favours the change where volume decreases.

The melting point of ice under normal conditions is

As pressure increases, the melting point of ice decreases.

At the melting point of ice, DeltaG = 0 .