Home
Class 12
CHEMISTRY
How many of the following substances are...

How many of the following substances are blue ? `(i) Fe(BO_(2))_(2)" " CoOAl_2O_3`
`(iii)Co(BO_(2))_(2)" "(iv)NaCoPO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
3
`CoO.Al_(2)O_(3),Co(BO_(2))_(2),NaCoPO_(4)` are blue coloured
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS

    NARAYNA|Exercise Level -VI|32 Videos

  • QUALITATIVE ANALYSIS

    NARAYNA|Exercise Comprehension Type (Passage -I)|7 Videos

  • QUALITATIVE ANALYSIS

    NARAYNA|Exercise Statement Type Questions|20 Videos

  • PRACTICAL ORGANIC CHEMISTRY

    NARAYNA|Exercise SUBJECTIVE_TYPE|1 Videos

  • SOLID STATES

    NARAYNA|Exercise EXERCISE-4|18 Videos

Similar Questions

Explore conceptually related problems

How many of the following compounds have sp^(3) hybridisation (i) SO_(4)^(2-) (ii) SO_(5)^(2-) (iii) PO_(4)^(3-) (iv) PO_(5)^(3-) (v) I_(3)^(Theta) (iv) CO_(3)^(2-) (vii) CO_(4)^(2-) .

How many of the following radius orders are incorrect? (i) N^(3-)>P^(3-) (ii) O^(2-)>F^(-) (iii) Ca^(2+)>Sr^(2+) (iv) S^(-)>S^(2-) (v) S^(2-)>O^(-)

Among the following oxides how many of them are suboxides ? (a) C_(3)O_(2) , (b) N_(2)O , (c ) NO_(2) , (d) CO (e) Fe_(3)O_(4) , (f) KO_(2)

How many of these days acids are mobobasic in nature? H_(2)S, H_(2)O_(2), H_(3)O_(2), HCOOH,H_(3)BO_(3),H_(3)PO_(2), HXO_(4), Ph-SO_(3)H

Calculate the equivalent weight of following assuming molecular weight M (i) H_(3)BO_(3) (ii) H_(3)PO_(2) (iii) FeSO_(4).(NH_(4))_(2).6H_(2)O (iv) K_(2)SO_(4)Cr_(2)(SO_(4))_(3).24H_(2)O (v) Al_(2)O_(3) (vi) HNO_(3) (vii) MgCO_(3) (Viii) CaSO_(4)

Out of the following reduction processes : (i) Fe_(2)O_(3) + 3C rarr 2Fe + 3CO (ii) Cu_(2)O +C rarr 2Cu + CO (iii) PbO + C rarr Pb + CO (iv) ZnO + C rarr Zn + CO Correct process is//are :