The melting points of Cu, Ag and Au foll...

The melting points of Cu, Ag and Au follow the order

A

`Cu gt Ag gt Au`

B

Cu gt Au gt Ag

C

Au gt Ag gt Cu

D

Ag gt Au gt Cu

Text Solution

Verified by Experts

The correct Answer is:

B

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The melting points of the following halides follow the order

A

`LiCl lt NaCl lt KCl lt RbCl`

B

`RbCl lt KCl lt NaCl lt LiCl`

C

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D

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Boiling point and melting point of noble gases are in the order

A

`He lt Ne lt Ar lt kr lt Xe`

B

`He gt Ne gt Kr gt Ar gt Xe`

C

`He lt Kr lt Ne lt Ar lt xe`

D

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Boiling/melting points of the following hydrides follow in order.

A

`SbH_3 gt AsH_3 gt PH_3 lt NH_3`

B

`SbH_3 gt AsH_3 gt PH_3 gt NH_3`

C

`SbH_3 gt AsH_3 lt PH_3 lt NH_3`

D

`SbH_3 lt AsH_3 lt PH_3 lt NH_3`

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