MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Compounds

Two chemical ...

Question

Two chemical substances X and Y combine together to form a product P which contains both X and Y

$X + Y \to P$

X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?

(i) P is a compound (ii) X and Y are compounds

(iii) X and Y are elements (iv) P has a fixed composition

(a) (i), (ii) and (iii) (b) (i) , (ii) and (iv)

(c) (ii), (iii) and (iv) (d) (i), (iii) and (iv)

Open in App

Solution

Answer: (d). (i), (iii) and (iv).

In this reaction, X and Y can not be broken down into simpler substances by chemical reactions, therefore, X and Y are elements.

A compound is a substance made up of two or more elements chemically combined in a fixed proportion by mass, therefore,P is a compound, having a fixed composition.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Question 9
Two chemical species X and Y combine together to form a product P which contains both X and Y,

X + Y \to P

, X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct?
(i) P is a compound
(ii) X and Y are compounds
(iii) X and Y are elements
(iv) P has a fixed composition

(a) (i), (ii) and (iii)
(b) (i), (ii) and (iv)
(c) (ii), (iii) and (iv)
(d) (i), (iii) and (iv)

Q. Two chemical species

X

Y

combine together to form a product

P

which contains both

X

Y

X + Y \to P

X

Y

cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species

X, Y

P

P

is a compound
(ii)

X

Y

are compounds
(iii)

X

Y

are elements
(iv)

P

has a fixed composition

Q. Two chemical species X and Y combine together to form a product P which contains both X and Y.

X + Y \to P

X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct ?
(i) P is a compound.
(ii) X and Y are compounds.
(iii) X and Y are elements.
(iv) P has a fixed composition.

Q. Question 8
Two substances, A and B were made to react to form a third substance,

A_{2} B

according to the following reaction

2 A + B \to A_{2} B

. Which of the following statements concerning this reaction are incorrect?
(i) The product

A_{2} B

shows the properties of substances A and B.
(ii) The product will always have a fixed composition.
(iii) The product so formed cannot be classified as a compound.
(iv) The product so formed is an element.

(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)

Q. The co-ordinates of two points P and Q are x and y respectively.
Find d(P,Q) in the following cases.
(i) x = 7, y = 10
(ii) x = -2, y = 11
(iii) x = -8, y = -3
(iv) x = 5,y = -9

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Compounds

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon