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Properties and Uses of Calcium Oxide

3. Which of t...

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3. Which of the following are incorrect? a. P4O10 reacts with CaO to form calcium phosphate b. 2LiNO3(s) -------> Li2O (s) + 2NO2 (g) + 1/2 O2 (g) c. The number of geometrical isomers for the complex [ CoCl2(gly)2] - is 5

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Q. Which of the following statements is/are wrong for the following reactions?

P_{4} + 5 O_{2} \to P_{4} O_{10}

P_{4} + 3 O_{2} \to P_{4} O_{6}

1.24

P_{4}

8.0

O_{2}

.

4 L i + O_{2} \to 2 L i_{2} O

21.0

g of lithium reacts with

32.0

O_{2}

2 K + C l_{2} \to 2 K C l

3.9

K

4.26

C l_{2}

.
[The atomic weight of

L i = 7

K = 39

g while molecular weight of

L i_{2} O = 30

K C l = 74.5

Which of the following statements is/are correct?

Q. A complex with the composition

[M A_{3} B]^{n \pm}

is found to have no geometrical isomers. The possible structure(s) of the complex is (Where

A

B

are monodentate ligands).

Q. The number of geometrical isomers for octahedral

[C o C l_{4} (N H_{3})_{2}]^{-}

complex is _____

The answer to each of the following questions is a single digit integer, ranging from 0 to 9.

Two moles of sodium phosphate completely reacts with calcium chloride to form calcium phosphate

C a_{3} (P O_{4})_{2}

. How many moles of calcium phosphate will be fanned ?

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