CBSE Class 9 Answered
an element X forms the following compounds with hydrogen, carbon, and phosphorous:P2X3, P2X5, H2X2, H2X, CX2, CX. find the valencies of X and other element present in the compound.
Asked by R.S.CHAUHAN | 08 Mar, 2016, 08:32: PM
Expert Answer
P2X3:
Valency of P = 3
Valency of X = 2
P2X5:
Valency of P = 5
Valency of X = 2
H2X2:
Valency of H = 1
Valency of X = 2
H2X:
Valency of Hydrogen = 1
Valency of X = 2
CX2:
Valency of C = 4
Valency of X = 2
CX: (C≡X)
Dative bond is present in between C and X
Valency of of C = 2
Valency of X = 2
In all the compounds given above the valency is 2.
Hence Element X is Oxygen as it shows valency 2
Answered by Vaibhav Chavan | 09 Mar, 2016, 09:46: AM
Application Videos
Concept Videos
CBSE 9 - Chemistry
Asked by shivalaxmi0205 | 08 Mar, 2023, 07:47: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by rekhachaturvedu422 | 01 Aug, 2022, 04:16: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by senniasamy | 10 Jan, 2022, 08:48: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by nathdarshana | 20 Nov, 2020, 07:03: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by fathima1012006 | 31 May, 2020, 10:44: AM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by panshulhanna18 | 29 Mar, 2020, 02:38: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by wbargayary | 26 Feb, 2020, 08:39: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by laldinmawia3 | 09 Oct, 2019, 07:51: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by patitapabana11 | 08 Oct, 2019, 05:21: PM
ANSWERED BY EXPERT
CBSE 9 - Chemistry
Asked by amaryashko | 15 Sep, 2019, 05:23: PM
ANSWERED BY EXPERT