Assertion A- Na-KCl NaCl - KReason R- Na is more reactive than K-

The correct option is C Assertion #160;is true but #160;Reason #160;is falseCompared to sodium, potassium has large size and low ionization enthalpy. Hen ...

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Byju's Answer

Standard XII

Chemistry

Reaction with Metals

Assertion A: ...

Question

Assertion (A): $N a + K C l 900^{o} C - -- \to N a C l + K$
Reason (R): Na is more reactive than K.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

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Both Assertion and Reason are true but Reason is not a correct explanation of Assertion

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Assertion is true but Reason is false

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Both Assertion and Reason are false

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Solution

The correct option is C Assertion is true but Reason is false
Compared to sodium, potassium has large size and low ionization enthalpy. Hence potassium is more reactive than sodium.

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Assertion (A): Na+KCl900oC−−−→NaCl+KReason (R): Na is more reactive than K.

The correct option is C Assertion is true but Reason is falseCompared to sodium, potassium has large size and low ionization enthalpy. Hence potassium is more reactive than sodium.

Assertion (A): $N a + K C l 900^{o} C - -- \to N a C l + K$
Reason (R): Na is more reactive than K.

The correct option is C Assertion is true but Reason is false
Compared to sodium, potassium has large size and low ionization enthalpy. Hence potassium is more reactive than sodium.