- Trending Categories
- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

# In which of the following compounds, -OH is the functional group?

**(a)** Butanone

**(b) **Butanol

**(c) **Butanoic

**(d)** Butanal.

**Correct Answer: **(b) Butanol

**Explanation: **The general formula of alcohols is C_{n}H_{2n+1}— OH.

For butanol, n = 4. So, formula is

C_{4}H_{9}—OH or

CH_{3}—CH_{2}—CH_{2}—CH_{2}—OH

- Related Questions & Answers
- Show that the following grammar is LR (1) S → A a |b A c |B c | b B a A → d B → d
- 8085 program to implement the following function (a*b) + (c*d)
- Find the multiple of x which is closest to a^b in C++
- Find FIRST & FOLLOW for the following Grammar. S → A a A | B b B A → b B B → ε
- Construct Quadruples, Triples, and Indirect Triples for the expression -(a + b) * (c + d) - (a + b + c)
- Find four elements a, b, c and d in an array such that a+b = c+d in C++
- Find largest d in array such that a + b + c = d in C++
- Find all pairs (a,b) and (c,d) in array which satisfy ab = cd in C++
- Find the Number which contain the digit d in C++
- Which normal form is the highest that satisfies the functional dependencies(DBMS)?
- Find d to maximize the number of zeros in array c[] created as c[i] = d*a[i] + b[i] in C++
- Find d to maximize the number of zeros in array c[] created as c[i] = d*a[i] + b[i] in Python
- Check If every group of a is followed by a group of b of same length in Python
- Construct the SLR Parsing table for the following grammar. Also, Parse the input string a * b + a.
- Which of the following areas data mining technology can be applied?
- Count triplet pairs (A, B, C) of points in 2-D space that satisfy the given condition in C++

Advertisements