CameraIcon

SearchIcon

MyQuestionIcon

444

You visited us 444 times! Enjoying our articles? Unlock Full Access!

Combustion

In photosynth...

Question

In photosynthesis in plants, $H_{2} O$ and ${C O}_{2}$ react in presence of light and chlorophyll to give carbohydrate and oxygen. When the carbohydrate is burnt in air, the gases produced are:

A

{C O}_{2} + H_{2}

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

B

{C O}_{2} + C O

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

C

{C O}_{2} + H_{2} O

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

D

{C O}_{2} + O_{2}

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

Open in App

Solution

The correct option is C ${C O}_{2} + H_{2} O$
The carbohydrate is glucose. The combustion of glucose is as follows:
$C_{6} H_{12} O_{6} + 6 O_{2} \to 6 H_{2} O + 6 C O_{2} + h e a t$
Combustion occurs when any organic material is reacted (burned) in the presence of oxygen to give off the products of carbon dioxide, water and energy. This is simply the process of metabolism.

Suggest Corrections

thumbs-up

0

Similar questions

Q. "Chlorophyll produces sugars for the plants in presence of sunlight,

C O_{2}

H_{2} O

by photosynthesis."
Answer whether the above statement is true or false.
If true enter 1, else enter 0.

Q. When methane is burnt in oxygen to produce

C O_{2}

H_{2} O

, the oxidation number changes by____________.

Q. It is given that in photosynthesis

C O_{2} + H_{2} O

C_{6} H_{12} O_{6}

but respiration involves oxidation of

C_{6} H_{12} O_{6}

C O_{2}

H_{2} O

for producing energy so can't plants directly use

C O_{2}

H_{2} O

to synthesize energy (in form of ATP) that they had obtained from atmosphere and water. If so then what's the use of photosynthesis for plants.

Q. When a hydrocarbon is burnt, the products obtained are _________ and ________.

(a) CO + H₂
(b) CO₂ + H₂
(c) CO₂ + H₂O
(d) CO + H₂O

Q. Assertion :The

O_{2}

given out during photosynthesis in plants involves O-atoms of

H_{2} O

C O_{2}

C O_{2}^{18} + H_{2} O ⟶ S t a r c h +^{18} O_{2}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard VIII Chemistry

Join BYJU'S Learning Program

CrossIcon