The primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:

The primary and secondary valences of Co in [Co(en)3]Cl3 respectively are:(A) 3,3(B) 0,3(C) 6,3(D) 3,6 Correct Answer : Option (D) ...
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We cannot measure the resistance of an ionic solution using DC because:

We cannot measure the resistance of an ionic solution using DC because:(A) it changes the composition of the solution.(B) it ...
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The strongest base in aqueous solution among the following amines is:

The strongest base in aqueous solution among the following amines is:(A) (C2H5)2NH(B) (C2H5)3N(C) C2H5NH2 (D) C6H5NH2 Correct Answer : Option ...
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The reagent that can be used to convert benzenediazonium chloride of benzonitrile is:

The reagent that can be used to convert benzenediazonium chloride of benzonitrile is:(A) Cu/HCI(C) CuCN(B) CH3CN(D) AgCN Correct Answer : ...
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Which of the following transition metals has the highest melting point ?

Which of the following transition metals has the highest melting point ?(A) Sc(C) Mn(B) Cr(D) Zn Correct Answer : Option ...
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Which of the following complexes show linkage isomerism?

Which of the following complexes show linkage isomerism?(A) [Co(NH3)5CI]2+(B) [Co(NH3)4Cl2]Br2(C) [Co(H2O)6]3+(D) [Co(NH3)5(ONO)]+2 Correct Answer : Option (D) [Co(NH3)5(ONO)]+2 Read More ...
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Which reagents are required for one step conversion of Chlorobenzene to Diphenyl?

Which reagents are required for one step conversion of Chlorobenzene to Diphenyl?(A) Chlorobenzene, Na, Dry ether(B) Benzene, Anhydrous AlCl3(C) Chlorobenzene/Fe, ...
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During dehydration of alcohol to alkene by heating with conc. H2SO4, the initiation step is:

During dehydration of alcohol to alkene by heating with conc. H2SO4 , the initiation step is:(A) Formation of an ester(B) ...
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BHIC 108 : आधुनिक पश्चिम का उदय – II Previous Year Question Papers

BHIC 108 Previous Year question Papers | IGNOU BHIC 108 Previous Year Papers इंदिरा गांधी राष्ट्रीय मुक्त विश्वविद्यालय प्रत्येक वर्ष ...
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BHIC 107 : भारत का इतिहास (c. 1206-1550) Previous Year Question Papers

BHIC 107 Previous Year question Papers | IGNOU BHIC 107 Previous Year Papers इंदिरा गांधी राष्ट्रीय मुक्त विश्वविद्यालय प्रत्येक वर्ष ...
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