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Standard XII

Chemistry

Reactivity Towards Halogens

Incorrect sta...

Question

Incorrect statement about $G e$ is:

G e O_{2}

is weakly acidic

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G e {(O H)}_{2}

is amphoteric

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G e {C l}_{2}

is more stable than

G e {C l}_{4}

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G e - G e

bond energy is lesser than that of

S i - S i

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Solution

The correct option is D $G e {C l}_{2}$ is more stable than $G e {C l}_{4}$
$G e C l_{4}$ is more stable than $G e C l_{2}$ as $G e$ has greater tendency to form +4 state than +2 state.

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Similar questions

Q. The catenation tendency of

C, S i

and

G e

is in the order

G e < S i < C

. The bond energies (in

k J m o l^{- 1}

) of

C - C, S i - S i

and

G e - G e

bonds, respectively are:

Q. The catenation tendency of

C, S i

and

G e

is in the order of

G e < S i < C

. The bond energies (in

K J m o l^{- 1}

) of

C - C, S i - S i

and

G e - G e

respectively, are :

Q. The catenation tendency of C,Si and Ge is in the order Ge<Si<C. The bond energies (in kJ mol

^{- 1}

) of

C - C, S i - S i

and

G e - G e

bonds, respectively are

Q. A Si and a Ge diode has identical physical dimensions. The band gap in Si is larger than that in Ge. An identical reverse bias is applied across the diodes

Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and conduction bands separated by energy band gap respectively equal to (Eg)C, (Eg)Si and (Eg)Ge. Which of the following statements is true? (a) (Eg)Si < (Eg)Ge < (Eg)C

(b) (Eg)C< (Eg)Ge > (Eg)Si

(d) (Eg)C= (Eg)Si = (Eg)Ge

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Incorrect statement about Ge is:

The correct option is D GeCl2 is more stable than GeCl4GeCl4 is more stable than GeCl2 as Ge has greater tendency to form +4 state than +2 state.

Incorrect statement about $G e$ is:

The correct option is D $G e {C l}_{2}$ is more stable than $G e {C l}_{4}$
$G e C l_{4}$ is more stable than $G e C l_{2}$ as $G e$ has greater tendency to form +4 state than +2 state.