1.

Assertin: All Cr- O bondlengthinK_(2) Cr_(2) O_(7) are equal Resson: Boththe Cr are presentin dsp^(2) hybridstate.

Answer»

Bothassertinand reasonare trueandreasonis thecorrectexplanationof THEASSERTION
bothassertionand reasonare truebut REASONIS notthecorrectexplanationof theassertion
Assertionis truebutreasonfalse.
Bothassertionand reasonare false.

Answer :B


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