More than one correct

Q1 BN can be obtained by reaction of boron with
a)NH3
b)N2
c)KCn
d)KNO3

Q2 WHich of the following doesnt give N2 on heating
a)NH4Cl
b)(NH4)2Cr2O7
c)NaN3
d)NaNH2

I ma sure abt b) but what abt other options ?

Q3 Which of the following oxidation states of silver are possible when it combines with flourine
a)0
b)1
c)2
d)3

22 Answers

1
decoder ·

edited:- is the answer (b)and (d)

24
eureka123 ·

kk
thx

1
decoder ·

dude it's possible oxidation states naa ........so (b) and (c) for sure and (d) due to the formation of AgI[AgIIIF4]

24
eureka123 ·

d) ??

11
Tush Watts ·

(b) , (c) for sure bcoz of Ag F and Ag F 2

24
eureka123 ·

ans3=b,c,d

now try to expalin it plzzzzzzzz

give reactions too...to support the ans

1
decoder ·

then last try (c)

24
eureka123 ·

No [2]

1
decoder ·

Q3

24
eureka123 ·

whch ques?

1
decoder ·

due to the formation of AgI[AgIIIF4]

11
Tush Watts ·

Ans 1)(a) NH 3 , (b) N 2

Boron burns at white heat in dinitrogen, forming the nitride BN at high temperature. This is a slippery white solid with a layer structure similar to graphite.

24
eureka123 ·

no[2]

11
Tush Watts ·

Is the ans to the third ques (b), (c) ?????

24
eureka123 ·

thanx all

one more dbt..

why not NaNH2 ??

anyone having its reaction ??

11
Tush Watts ·

2 Na N 3 → 3 N 2 + 2 Na

1
decoder ·

Cl- is reducing in nature ............and whenever the anionic part is reducing in nature then NH3 is formed

24
eureka123 ·

@msp..u r rong

@decoder ..u r rite...

but how c ??

can u give reaction ?

11
Tush Watts ·

Is the ans to second ques (b), (c) ?

1
decoder ·

Q2 (b)(c)

24
eureka123 ·

plz reply to other 2 too

24
eureka123 ·

thx

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