1. [Co(H2O)6]3+
2. [Co(NH3)6]3+
3. [Co(CN)6]3-
4. [Co(C2O4)3]3-
[Co(CN)6]3-
1.
2.
3.
4.
1. A2(BC3)2
2. A3(BC4)2
3. A3(B4C)2
4. AB5C2
A3(BC4)2
1. Germanium
2. Arsenic
3. Selenium
4. Boron
Boron
1. K+ > Na+ > Rb+ > Cs+
2. Cs+ > Rb+ > K+ > Na+
3. Rb+ > K+ > Cs+ > Na+
4. Na+ > K+ > Rb+ > Cs+
Cs+ > Rb+ > K+ > Na+
1. CsH > RbH > KH > NaH > LiH
2. KH > NaH > LiH > CsH > RbH
3. NaH > LiH > KH > RbH > CsH
4. LiH > NaH > KH > RbH > CsH
LiH > NaH > KH > RbH > CsH
1. Cr > Mn > V > Ti
2. V > Mn > Cr > Ti
3. Mn > Cr > Ti > V
4. Ti > V > Cr > Mn
Cr > Mn > V > Ti
1. NO, CN-, N2,
2. NO+,,,CO
3. N2,,CO, NO
4. CO, NO+, CN-,
CO, NO+, CN-,
1.
2.
3.
4.
1. Acyl chloride > Acid anhydride > Ester > Amide
2. Ester > Acyl chloride > Amide > Acid anhydride
3. Acid anhydride > Amide > Ester > Acyl chloride
4. Acyl chloride > Ester > Acid anhydride > Amide
Acyl chloride > Acid anhydride > Ester > Amide