CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Introduction to Transport in Plants

The following...

Question

The following table shows solutions X, Y and Z with their respective pH values.
$\begin{matrix} S o l u t i o n & X & Y & Z p H & 3 & 7 & 12 \end{matrix}$
Based on the given information which of the following statement is false?

A

Solution X reacts with metals to liberate $H_{2}$ gas.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Solution Y is formic acid.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

Solution Z reacts with solution X to form salt and water.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Solution X reacts with calcium carbonate to give of $C O_{2}$ gas.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
Solution Y is formic acid.

According to pH: solution X is acidic, solution Y is neutral and solution Z is basic.So, acids react with metal to liberate hydrogen, acid and base reacts together to form salt and water. Also acids react with $C a C O_{3}$ to liberate $C O_{2}$ gas. But pH of formic acid is 2.3 and not 7.

Suggest Corrections

thumbs-up

0

Similar questions

X

reacts with water to produce a highly combustible gas

Y

, and a solution

Z

. Another metal

P

Z

to give the same gas

Y

X, Y, Z

P

respectively are:

Q. A metal X reacts with aqueous NaOH solution to form Y and a highly inflammable gas. Solution Y is heated and

C O_{2}

IS poured through it. Z precipitates out and

N a_{2} C O_{3}

is formed. Z on heating gives

A l_{2} O_{3}

. Identify X, Y and Z.

Q. A silvery-white metal

X

reacts with water at room temperature to produce a water-soluble compound

Y

and a colourless gas

Z

. The reaction is highly exothermic and the

Z

catches fire immediately during the reaction. The solution of

Y

in the water on reacting with a stoichiometric amount of dilute solution of hydrochloric acid gives a solution of

p H = 7.0

.
The compounds

X, Y

Z

respectively are:

Q. A silvery white metal X reacts with water at room temperature to produce a water soluble compound Y and a colourless gas Z. The reaction is highly exothermic and the Z catches fire immediately during the reaction. The solution of Y in the water on reacting with the stoichiometric amount of dilute solution of hydrochloric acid gives a solution of pH = 7.0. The compounds X, Y and Z respectively are :

A

B

C

are hydroxy-compounds of the elements

X

Y

Z

X

Y

Z

are the same period of the periodic table.

A

gives an aqueous solution of

p H

less than seven,

B

reacts with both strong acids and strong alkalis.

C

gives an aqueous solution which is strongly alkaline.
Which of the following statements is/are true?
I: The three elements are metals.
II: The electronegativities decrease form

X

Y

Z

III: The atomic radius decreases in the order

X

Y

Z

X

Y

Z

could be phosphorus, aluminium and sodium respectively.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

BIOLOGY

Watch in App

explore_more_icon

Explore more

Introduction to Transport in Plants

Standard X Biology

Join BYJU'S Learning Program

CrossIcon