Compounds of transition elements
CHXII08:THE D- & F-BLOCK ELEMENTS

321254 Which of the following can react with K2Cr2O7 ?

1 SO32
2 CO32
3 SO42
4 NO3
CHXII08:THE D- & F-BLOCK ELEMENTS

321255 Which of the following is not a similarity between sulphur and chromium?

1 Both exhibit hexa covalency
2 Sulphate and chromate of Ba2+ are water insoluble
3 Trioxide (MO3) both are acidic
4 Sulphate (SO42) and chromate (CrO42) have same colourisation
CHXII08:THE D- & F-BLOCK ELEMENTS

321256 When acidified K2Cr2O7 solution is added to Sn2+ salts then Sn2+ changes to

1 Sn
2 Sn3+
3 Sn4+
4 Sn+
CHXII08:THE D- & F-BLOCK ELEMENTS

321257 Number of moles of K2Cr2O7 reduced by one mole of Sn2+ ions is

1 1/3
2 3
3 1/6
4 6
CHXII08:THE D- & F-BLOCK ELEMENTS

321254 Which of the following can react with K2Cr2O7 ?

1 SO32
2 CO32
3 SO42
4 NO3
CHXII08:THE D- & F-BLOCK ELEMENTS

321255 Which of the following is not a similarity between sulphur and chromium?

1 Both exhibit hexa covalency
2 Sulphate and chromate of Ba2+ are water insoluble
3 Trioxide (MO3) both are acidic
4 Sulphate (SO42) and chromate (CrO42) have same colourisation
CHXII08:THE D- & F-BLOCK ELEMENTS

321256 When acidified K2Cr2O7 solution is added to Sn2+ salts then Sn2+ changes to

1 Sn
2 Sn3+
3 Sn4+
4 Sn+
CHXII08:THE D- & F-BLOCK ELEMENTS

321257 Number of moles of K2Cr2O7 reduced by one mole of Sn2+ ions is

1 1/3
2 3
3 1/6
4 6
CHXII08:THE D- & F-BLOCK ELEMENTS

321254 Which of the following can react with K2Cr2O7 ?

1 SO32
2 CO32
3 SO42
4 NO3
CHXII08:THE D- & F-BLOCK ELEMENTS

321255 Which of the following is not a similarity between sulphur and chromium?

1 Both exhibit hexa covalency
2 Sulphate and chromate of Ba2+ are water insoluble
3 Trioxide (MO3) both are acidic
4 Sulphate (SO42) and chromate (CrO42) have same colourisation
CHXII08:THE D- & F-BLOCK ELEMENTS

321256 When acidified K2Cr2O7 solution is added to Sn2+ salts then Sn2+ changes to

1 Sn
2 Sn3+
3 Sn4+
4 Sn+
CHXII08:THE D- & F-BLOCK ELEMENTS

321257 Number of moles of K2Cr2O7 reduced by one mole of Sn2+ ions is

1 1/3
2 3
3 1/6
4 6
CHXII08:THE D- & F-BLOCK ELEMENTS

321254 Which of the following can react with K2Cr2O7 ?

1 SO32
2 CO32
3 SO42
4 NO3
CHXII08:THE D- & F-BLOCK ELEMENTS

321255 Which of the following is not a similarity between sulphur and chromium?

1 Both exhibit hexa covalency
2 Sulphate and chromate of Ba2+ are water insoluble
3 Trioxide (MO3) both are acidic
4 Sulphate (SO42) and chromate (CrO42) have same colourisation
CHXII08:THE D- & F-BLOCK ELEMENTS

321256 When acidified K2Cr2O7 solution is added to Sn2+ salts then Sn2+ changes to

1 Sn
2 Sn3+
3 Sn4+
4 Sn+
CHXII08:THE D- & F-BLOCK ELEMENTS

321257 Number of moles of K2Cr2O7 reduced by one mole of Sn2+ ions is

1 1/3
2 3
3 1/6
4 6